package Test;

public class Test03 {
    public static void main(String[] args) {
        // 第三题
        char ch ='J';
        ch = (char)(ch+32);
        System.out.println(ch);

        char ch2 = 'a';
        ch2 += -32;
        System.out.println(ch2);

        double d3=3.5;
        int i3=100;

        double sum3 = d3 + i3;
        System.out.println("sum3的值："+sum3);

        int sum4=(int)sum3;
        System.out.println("sum3整数部分的值："+sum4);

        double d4=174.0;
        int i4=10;
        int mu14=(int)(d4*i4);
        System.out.println("mu14整数部分的值："+mu14);
    }
}
